Copper and brass will find that the color of brass is generally golden yellow and more lustrous, but the color of copper is rose red and also shiny, so we can also distinguish from their appearance color. We can distinguish from the strength, brass has more components, so the strength of brass is generally relatively high.
However, the composition of copper is mainly copper, basically no other impurities, so the strength of copper is relatively low. The density of copper is 8.9-8.95, so the density of copper and brass is relatively large, and the density of brass is small. In salt solution and a variety of organic acids (acetic acid, citric acid), there is good corrosion resistance.
Vending machine accessories are used in the chemical industry. In addition, copper has good weldability and can be processed into various semi-finished products and finished products by cold and thermoplastic processing. In the 20s of the 70th century, the production of copper exceeded the total production of other types of copper alloys. Good weldability and inexpensive. Commonly used in the production of conductive and thermal conductive elements, corrosion-resistant structural parts, elastic elements, daily hardware and decorative materials, etc., with a wide range of uses.
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